Iran vs Portugal: Per capita CO₂ emissions from oil

Iran
2.33 tonnes per person
in 2024
Portugal
2.36 tonnes per person
in 2024
Iran rank
77th
Portugal rank
75th

Per capita CO₂ emissions from oil over time

  • Iran
  • Portugal
012345187019472024

How they compare

Portugal currently reports 2.36 tonnes per person against 2.33 tonnes per person in Iran, a difference of 0.03 tonnes per person.

The two have swapped places 16 times across 115 shared years of data; in 1906 it was Portugal ahead.

Iran ranks 77th and Portugal ranks 75th of 213 countries.

Across the 13 decades both report, Iran averaged higher in 8 and Portugal in 5.

Head to head by decade

Decade Iran Portugal Difference Ahead
1900s 0.0003 tonnes per person 0.0103 tonnes per person 0.01 tonnes per person Portugal
1910s 0.1866 tonnes per person 0.0131 tonnes per person 0.1734 tonnes per person Iran
1920s 1.17 tonnes per person 0.0315 tonnes per person 1.13 tonnes per person Iran
1930s 1.75 tonnes per person 0.0702 tonnes per person 1.68 tonnes per person Iran
1940s 2.56 tonnes per person 0.1083 tonnes per person 2.46 tonnes per person Iran
1950s 0.3724 tonnes per person 0.4303 tonnes per person 0.0578 tonnes per person Portugal
1960s 0.9928 tonnes per person 0.8431 tonnes per person 0.1497 tonnes per person Iran
1970s 1.85 tonnes per person 1.84 tonnes per person 0.0169 tonnes per person Iran
1980s 2.13 tonnes per person 2.39 tonnes per person 0.2619 tonnes per person Portugal
1990s 2.55 tonnes per person 3.41 tonnes per person 0.8576 tonnes per person Portugal
2000s 3.14 tonnes per person 3.67 tonnes per person 0.533 tonnes per person Portugal
2010s 2.8 tonnes per person 2.53 tonnes per person 0.264 tonnes per person Iran
2020s 2.4 tonnes per person 2.34 tonnes per person 0.0555 tonnes per person Iran

Averages of every year both report within each decade.

Frequently asked questions

Which has higher per capita co₂ emissions from oil, Iran or Portugal?
Portugal, at 2.36 tonnes per person against 2.33 tonnes per person in Iran as of 2024.
What is the difference in per capita co₂ emissions from oil between Iran and Portugal?
0.03 tonnes per person, with Portugal ahead.
How many years of comparable data are there for Iran and Portugal?
115 years are reported by both, from 1906 to 2024.
How do Iran and Portugal rank globally for per capita co₂ emissions from oil?
Iran ranks 77th and Portugal ranks 75th of 213 countries.
Where does this data come from?
Global Carbon Budget (2025); Population based on various sources (2024) – with major processing by Our World in Data, published as Per capita CO₂ emissions from oil. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Iran vs Portugal: Per capita CO₂ emissions from oil. Statizoid, drawing on Global Carbon Budget (2025); Population based on various sources (2024) – with major processing by Our World in Data. Retrieved 24 September 2026, from https://climate.statizoid.com/compare/per-capita-co2-oil/iran-islamic-rep/portugal/

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About this data

Indicator
Per capita CO₂ emissions from oil
Unit
tonnes per person
Source
Global Carbon Budget (2025); Population based on various sources (2024) – with major processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
213 places, 21,415 data points, 1750–2024
Last refreshed

Annual emissions of carbon dioxide (CO₂) from oil, measured in tonnes per person.